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Mark all files used in a standard build of bin-x86_64-efi/snponly.efi
as permitted for UEFI Secure Boot. These files represent the core
functionality of iPXE that is guaranteed to have been included in
every binary that was previously subject to a security review and
signed by Microsoft. It is therefore legitimate to assume that at
least these files have already been reviewed to the required standard
multiple times.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Since all data transfer buffer contents are now accessible via direct
pointer dereferences, remove the unnecessary abstractions for read and
write operations and create two new data transfer buffer types: a
fixed-size buffer, and a void buffer that records its size but can
never receive non-zero lengths of data. These replace the custom data
buffer types currently implemented for EFI PXE TFTP downloads and for
block device translations.
A new operation xferbuf_detach() is required to take ownership of the
data accumulated in the data transfer buffer, since we no longer rely
on the existence of an independently owned external data pointer for
data transfer buffers allocated via umalloc().
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Use standard void pointers for umalloc(), urealloc(), and ufree(),
with the "u" prefix retained to indicate that these allocations are
made from external ("user") memory rather than from the internal heap.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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xfer_buffer() uses intf_get_dest_op() to obtain the destination
interface for xfer_deliver(), in order to check that this is the same
interface which provides xfer_buffer(). The return value from
intf_get_dest_op() (which contains the actual method implementing
xfer_deliver()) is not used.
On some gcc versions, this triggers a "value computed is not used"
warning, since the explicit type cast included within the
intf_get_dest_op() macro is treated as a "value computed".
Fix by explicitly casting the result of intf_get_dest_op() to void.
Reported-by: Matthew Helton <mwhelton@gmail.com>
Reported-by: James A. Peltier <jpeltier@sfu.ca>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Allow data transfer buffer users to provide direct access to their
underlying data transfer buffer.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Relicense files for which I am the sole author (as identified by
util/relicense.pl).
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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